Portland is an unincorporated community in Fremont County, Colorado, United States.
The town is located along State Highway 120 in Fremont County, Colorado and is east of Florence.
See also: Early history of Fremont County, Colorado.
The community was one of three factory towns built surrounding the Portland Cement plant, now Holcim. The other two factory towns nearby are Concrete and Cement.
A post office called Portland was established in 1900, and remained in operation until 1952.[1] The community was named for the Portland cement manufactured here.[2]